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Chromogranin A (CgA) is a member of the granin family of acidic proteins that are present in the secretory granules of many endocrine and neuroendocrine cells. The specific function(s) of these proteins is not known, but they seem to be the precursors of biologically active peptides, and they may act as helper proteins in the sorting and packaging of(More)
DESCRIPTION A 39-year-old mechanic presented with a 6-week history of activity-related ulnar sided wrist pain in his dominant right hand after punching injury. History, physical examination, and imaging were consistent with a hamate body fracture nonunion. The patient underwent open reduction internal fixation and went on to bony union and restoration of(More)
DESCRIPTION A 16-year-old previously well female, nonsmoker, without significant medical history, received an injection of lidocaine with epinephrine from her dermatologist, delivered in his office, to the radial and ulnar aspects of the middle phalanx of her long finger before having a skin lesion (wart) removed. No tourniquet was used. Eight hours later,(More)
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